<span
  class="stencil-item root-stencil-item"
  id="{{group.id}}"
  title="{{group.description}}"
  ng-model="draggedElement"
  data-drag="true"
  jqyoui-draggable="{onStart:'startDragCallback', onDrag:'dragCallback'}"
  data-jqyoui-options="{revert: 'invalid', helper: 'clone', opacity : 0.5}"
>
  <img ng-src="editor-app/stencilsets/bpmn2.0/icons/{{group.icon}}" width="16px;" height="16px;" />
  {{group.name}}
</span>
